Symmetrical 5-set Venn diagram
Radially-symmetrical five-set Venn diagram originally devised by Branko Gruenbaum and optimised for maximum area of the smallest regions and rendered by CMG Lee.
A
B
C
D
E
AB
AC
AD
AE
BC
BD
BE
CD
CE
DE
ABC
ABD
ABE
ACD
ACE
ADE
BCD
BCE
BDE
CDE
ABCD
ABCE
ABDE
ACDE
BCDE
ABCDE